446results about "Air cooling" patented technology

A compact work machine, such as a compact track loader and / or a compact utility loader, which can carry and operate a wide range of attachments while maintaining a reduced operating footprint.

The present invention discloses a snow and frost proof container generator set, comprising an air intake device on the container, the air intake device comprising a frame, a plurality of ventilation windows are arranged on the frame in a height direction, the ventilation windows are located at one end of the outer side of the container and are opened with a filter, an automatic cleaning mechanism is arranged in each ventilation window group; a water collecting trough is arranged at the bottom of the ventilation window, the automatic cleaning mechanism comprises a balance plate, a scraper assembly and a tension assembly, the balance plate is rotatably arranged in the water collecting trough, a balance spring is connected between the two sides of the bottom of the balance plate and the inner wall of the bottom of the water collecting trough, the scraper assembly comprises a scraper and a tension wheel, an articulated block is arranged at the bottom of the scraper for sliding up and down, the tension wheel is rotatably arranged at the bottom of the articulated block and the bottom is against the top end face of the balance plate, the present invention can improve the air intake effect of the ventilation window, regularly clean the ventilation window position, and effectively prevent snow, water and dust from entering the container.

The invention discloses an air-cooled diesel generator set, and particularly relates to the technical field of generators, the air-cooled diesel generator set comprises a base, the upper end of the base is slidably connected with diesel power generation equipment through a sliding rail, the front end of an output rotor of the diesel power generation equipment is fixedly connected with a fan located in an inner cavity of a dustproof dehumidification structure, and an air duct structure is arranged on the inner surface of a shielding box. And a dustproof dehumidification structure is arranged at the front part of the inner surface of the shielding box. According to the air-cooled diesel generating set, the dehumidification assembly is arranged and used for removing moisture in sucked air, and corrosion of the moisture to internal parts is reduced; furthermore, dust and particles in the air are separated and sucked through the effect of the dustproof assembly, entering of large-particle dust is reduced, dust on the cooling fins can be periodically cleaned through automatic cleaning in the dustproof assembly, and the air inlet amount is guaranteed; meanwhile, the air flowing efficiency is improved through the effect of the air duct structure, the heat dissipation area is increased, the heat dissipation effect is enhanced, and performance reduction and potential safety hazards caused by overheating are avoided.

The application discloses a kind of air-cooled diesel generating set, specifically relates to the technical field of generator, including base, the diesel generating equipment is slidably connected with the upper end of base by slide rail, the fan in the dustproof dehumidification structure inner cavity is fixedly connected with the output rotor front end of diesel generating equipment, the inner surface of shielding box is provided with air duct structure, and the dustproof dehumidification structure is provided in the front of the inner surface of shielding box.The air-cooled diesel generating set of the application is removed by setting dehumidification component for removing moisture in inhaled air, reduce the corrosion of moisture to internal parts;Further, dust and particles in inhaled air are separated by the action of dust removal component, the entry of large-particle dust is reduced, dust on the cooling fin can also be periodically cleaned by automatic cleaning in dust removal component, to ensure the air intake;Air flow efficiency is improved by the action of air duct structure, the heat dissipation area is increased, the heat dissipation effect is enhanced, and the performance decline and safety hazards caused by overheating are avoided.

The invention provides a cooling air duct structure and a generator set. The cooling air duct structure comprises a power body, a first shell, a motor body, a second impeller, a second shell, a silencer body and a third shell. The first shell is arranged on the rear side of the power body, and the motor body and the second impeller are both installed in the first shell. The silencer body and the third shell are both arranged in the second shell, the third shell is arranged outside the silencer body in a surrounding mode, a first exhaust channel is formed between the third shell and the silencer body, and one end of the first exhaust channel is communicated with the second cavity. By reasonably arranging the third shell, the third shell is arranged outside the silencer body in a surrounding mode and forms the first exhaust channel, airflow after cooling the motor body can only enter the first exhaust channel, cooling airflow can directly and fully exchange heat with the silencer body when flowing through the first exhaust channel, and therefore heat of the silencer body is rapidly taken away, and the service life of the silencer body is prolonged. In this way, the cooling effect on the silencer body is greatly improved.

To provide an air-cooled engine with improved cooling efficiency. [Solution] An engine 10 has an engine block 11, valve mounting holes 21, spark plug mounting holes 23, and an air hole 30. A cylinder bore 12 is defined inside the engine block 11. The valve mounting holes 21 are connected to a side surface of the cylinder bore 12, and a valve 25 is disposed therein. The spark plug mounting holes 23 are connected to a side surface of the cylinder bore 12, and a spark plug 22 is disposed therein. The air hole 30 passes through the engine block 11 near the valve mounting holes 21 or the spark plug mounting holes 23.

To provide a work machine allowing discharged air from an engine room to be efficiently guided upward outside of a machine body from a vent hole.SOLUTION: A discharged air duct 80 arranged between a radiator 61 mounted on an engine room 11 and a right cover 14 in which a vent hole is formed is configured to include an upper plate part 81, a front side plate part 82, and a lower plate part 83 so as to make an outer shape of the radiator 61 form a generally cylindrical frame extending toward the right cover 14, and is provided with a partition plate 91 separating a discharging passage for air in a duct vertically to a lower first passage 93 and an upper second passage 94.SELECTED DRAWING: Figure 6

The utility model relates to the technical field of generators, and discloses a fuel generator unit, which comprises a chassis, a water tank, a fan, an engine, a generator, a control panel, an air filter, an air inlet and an air outlet, and is characterized in that an upper transverse ventilation channel is arranged between the air inlet and the air outlet; the water tank, the fan, the engine and the generator are sequentially arranged in the upper transverse ventilation channel, the water tank and the fan are located on one side of the air outlet, the generator is located on one side of the air inlet, a control panel and an air filter are supported above the generator through a channel support, and a lower transverse ventilation channel is formed in the lower portion of the chassis. The structure is simple and the heat dissipation effect is good.

A working machine includes a machine body, a prime mover on the machine body, at least one cooling device provided at one side of the prime mover, a shroud to guide a cooling air flow for cooling the at least one cooling device, and a partition plate to separate a prime mover room to house the prime mover from an area where the at least one cooling device is provided. The partition plate includes an opening to allow the shroud to extend therethrough and a mounting portion at which the shroud, which extends through the opening, is attached to the partition plate.

The engine cooling shell cover is installed on the periphery of the heat dissipation impeller, the heat dissipation impeller is arranged on one side of the cylinder body, and the shell cover is formed by splicing and fixing a wind shielding half cover and a wind gathering half cover. Wherein the front side wall of the air gathering half cover protrudes outwards, an air gathering cavity is formed in the inner side of the air gathering half cover, the multiple air guide vane ribs are embedded in the cavity wall of the air gathering cavity from the large distance to the small distance and extend outwards away from the cavity wall, and the air guide vane ribs are bent towards the lower end of the air gathering half cover at the ends, with the small distances, of the multiple air guide vane ribs. The shell cover is formed by splicing the wind shielding half cover and the wind gathering half cover, the conventional prejudice that an existing shell cover does not adopt a split type design is broken through, and the wind gathering half cover can be provided with a wide and large wind gathering cavity; and more than a certain number of large-area air guide vane ribs are arranged in the air gathering chamber and are used for gathering wind power generated by the heat dissipation impeller and then centrally, efficiently and obviously cooling the cylinder body, so that the service life of the engine is further prolonged, the single-time use time of the engine is prolonged, and the use efficiency of agricultural and forestry machinery is improved.

The invention belongs to the technical field of power generation equipment, and discloses a silent container type methanol self-power-generation charging device which comprises a box type container, shutters are installed on the two sides of the box type container correspondingly, adsorption assemblies are arranged on the sides, installed in the box type container, of the two shutters correspondingly, and each adsorption assembly comprises an adsorption plate arranged on one side of the corresponding shutter. The top of the adsorption plate is provided with a drainage assembly, the bottom of the adsorption plate is provided with a base, the base is fixedly installed in the box-type container, one side of the adsorption plate is provided with a filter plate, the drainage assembly comprises a compression roller arranged at the top of the adsorption plate, and the two ends of the compression roller are both provided with sliding blocks. Water vapor sucked into gas in the box type container can be adsorbed through the adsorption plate, the problems of short circuit, corrosion and the like caused by the fact that equipment is possibly affected with damp due to the fact that a large amount of water vapor carried by external air enters the container in rainy days are solved, and the service life and reliability of the equipment can be guaranteed by absorbing the water vapor through the adsorption plate.

This invention relates to a generator powered by an internal combustion engine, and discloses a generator including a stator and rotor unit, an engine, a controller, and a muffler. It also includes a cooling shroud with a first air inlet, inside which a cooling fan is disposed. The cooling fan is linked to the engine. The cooling shroud has a first air outlet facing the muffler and a second air outlet facing the controller. This invention solves the problem of power reduction that often occurs in existing generators.

The noise reduction device for the diesel engine comprises a base, the diesel engine is fixedly installed on the base, a noise reduction cover is fixedly installed on the base and covers the outer side of the diesel engine, and an output shaft receding hole is formed in the noise reduction cover in a penetrating mode and right faces an output shaft of the diesel engine. An exhaust pipe receding hole is formed in the position, right opposite to an exhaust pipe of the diesel engine, of the base. A plurality of air inlet pipes are fixedly installed at the lower end of the silencing cover in the circumferential direction, the outer ends of the air inlet pipes are connected through an air inlet ring, and a plurality of air inlet holes are formed in the two sides of the air inlet ring. A plurality of air outlet pipes are fixedly installed on the silencing cover and located above the air inlet pipe, the outer ends of the air outlet pipes are connected through a pipeline, the pipeline is connected with an exhaust fan through an exhaust pipe, and the exhaust fan is fixedly installed on the silencing cover. The noise reduction device for the diesel engine has the advantages of being simple in structure, high in heat dissipation efficiency and convenient to use.

A compact work machine, such as a compact track loader and / or a compact utility loader, which can carry and operate a wide range of attachments while maintaining a reduced operating footprint.

The utility model discloses a box body and motorcycle engine, the box body comprises a casing and a delivery pipe arranged in the casing, the delivery pipe is arranged from wide to narrow, the wider end of the delivery pipe is fixedly provided with an air inlet hopper, the other end of the delivery pipe is communicated with the inside of the casing, a silencer is fixedly installed at the end, away from the air inlet hopper, of the conveying pipe and used for silencing of the air whistle, and internal threads are arranged on the inner side of the air inlet hopper. Flowing air making contact with a vehicle body in the moving process can be sucked in through the conveying pipe, so that the air is conveyed into the shell, parts in the shell are cooled, meanwhile, the inner diameter of the conveying pipe is gradually narrowed, the flowing speed of the air can be increased, the air inlet hopper is arranged at one end of the conveying pipe, and the air inlet hopper is arranged at the other end of the conveying pipe. In addition, by means of the silencer, the air whistle generated at the outlet can be eliminated to the maximum degree, and therefore the mute effect is achieved.

A compact work machine, such as a compact track loader and / or a compact utility loader, which can carry and operate a wide range of attachments while maintaining a reduced operating footprint.

A utility vehicle includes an exhaust assembly fluidly coupled to an engine. Depending on various parameters, such as the size and / or performance of the vehicle, the exhaust assembly is required to meet certain emissions regulations. Such emissions regulations may be met by increasing the temperature within the exhaust assembly, however, at particularly high temperatures, a catalyst of the exhaust assembly may be damaged. Therefore, the exhaust assembly includes various options for cooling portions thereof to remove heat from the assembly.

The present invention relates to a coolant circuit for a self-propelled work machine with several electric drive components (8-19), comprising: - a coolant pump (2) for generating a flow of coolant circulating in the coolant circuit (1); - a heat exchanger (3) for dissipating heat energy stored in the coolant; - at least two parallel circuit sections (4-7) configured to direct the coolant past their respective drive components (8-19) for absorbing heat energy. The present invention further relates to a self-propelled work machine, in particular a mobile crane, with several electric drive components (8-19) and one or more such coolant circuits (1).

A thermal management system for transferring heat between fluids includes a heat transfer bus through which a heat exchange fluid flows. Furthermore, the system includes a heat source heat exchanger arranged along the bus such that heat is added to the fluid flowing through the heat source heat exchanger. Furthermore, the system includes a plurality of radiator heat exchangers arranged along the bus such that heat is removed from the fluid flowing through the plurality of radiator heat exchangers. Furthermore, the system includes a bypass conduit fluidically coupled to the bus such that the bypass conduit allows the fluid to bypass one of the heat source heat exchangers or one of the radiator heat exchangers. Furthermore, the system includes a valve configured to control the flow of the fluid through the bypass conduit based on the pressure of the fluid within the bus.

The utility model discloses a closed generator which comprises a shell, the shell is provided with an air inlet window, a power unit, a power generation unit, a first cooling fan and a silencer unit are arranged in the shell, a first wind scooper covering the outer sides of the power unit and the first cooling fan is arranged in the shell, and a second wind scooper covering the outer sides of the power unit and the first cooling fan is arranged in the shell. The first wind scooper is provided with an air inlet matched with the first cooling fan, a second wind scooper covering the outer side of the silencer unit is arranged in the shell, the air inlet end of the second wind scooper is communicated with the first wind scooper, the air outlet end of the second wind scooper is communicated with the outside of the shell, and a heat insulation cavity is formed between the first wind scooper and the shell. The first wind scooper is provided with a first air outlet matched with the first cooling fan and communicated with the heat insulation cavity, and the shell is provided with a second air outlet used for communicating the heat insulation cavity with the outside of the shell. According to the scheme, the problem that in the prior art, the temperature of a shell of a closed generator is prone to being too high is solved.

The utility model discloses a crankcase air guide structure which comprises a crankcase body and a crankcase cover, a crankcase cylinder neck is arranged on the upper portion of the crankcase body, cylinder neck air guide plates are arranged on the upper side and the lower side of the crankcase cylinder neck respectively, and crankcase cover air guide plates extend out of the crankcase cover towards the direction of the crankcase cylinder neck. And the crankcase cover air guide plate and the cylinder neck air guide plate are in contact to define a main cooling air duct. The crankcase cover has the advantages that the air deflector of the crankcase cover and the crankcase cylinder neck are closed to form a main cooling air channel of the crankcase cylinder neck, the running distance of cooling air at the position of the crankcase cylinder neck is increased, the total standing time of the cooling air at the crankcase cylinder neck is prolonged, heat dissipation of the crankcase cylinder neck is facilitated, and the service life of the crankcase cylinder neck is prolonged. Therefore, the cylinder neck of the crankcase can be cooled more sufficiently. And meanwhile, the bent structure reserved on the air deflector of the crankcase cover reserves an interface for a subsequent application terminal, so that the universality of the engine is improved.

To provide a more efficient gas-liquid separation structure. [Solution] The gas-liquid separation structure 1 receives the inflow of coolant C returning from the target element and includes a branching joint 10 for branching and discharging the inflowed coolant C to the target element and other elements. The branching joint 10 includes a body 100 having an elongated internal space S in the vertical direction D, a first inflow section 111 that allows the coolant C returning from the target element to flow into the internal space S from a first opening H1, a first discharge section 121 that discharges the coolant C that has flowed in from the first opening H1 and circulated downward through the internal space S from a second opening H2 located below the first opening H1, and a second discharge section 122 that discharges the coolant C that has been introduced from the first opening H1 and circulated upward through the internal space S from a third opening H3.

The amphibious heat dissipation device and the amphibious power system for the transmission comprise a first heat dissipation unit, the first heat dissipation unit comprises a fan heat dissipation mechanism, the fan heat dissipation mechanism comprises a first heat dissipation device, and the amphibious heat dissipation device further comprises an oil cooler externally connected with the transmission; a cooling liquid outlet of the first engine is sequentially connected in series with the oil cooler and the first radiator and is circularly connected to a cooling liquid inlet of the first engine; the first heat dissipation unit further comprises a first air cooling assembly connected with a first engine in a circulating mode, a first fuel oil cooler and a first water tank, and the fan heat dissipation mechanism further comprises a second heat dissipation device. An outlet of the first water tank is sequentially connected with the first air cooling assembly, the first fuel cooler and the second radiator in series and is circularly connected to an inlet of the first water tank. By means of reasonable arrangement of component structures, switching of cooling units in waterway driving is achieved, cooling efficiency is higher and heat dissipation performance is better by means of low temperature of seawater / river water during overwater driving, and the effect that the navigational speed of the system on water exceeds 80 km / h and reaches the advanced speed in the world is achieved.

A runner plate assembly includes an isolation portion, a first plate and a second plate stacked together, the first plate having a first surface and a first groove, the first groove being recessed from the first surface in a direction away from the second plate; the second plate is provided with a second surface and a second groove, and the second groove is sunken from the second surface in the direction away from the first plate; wherein the first surface is arranged to be connected with the second surface, so that the first groove and the second groove intersect to define an intersection area; the isolation part is formed in the intersection area so as to isolate the fluid in the first groove from the fluid in the second groove.

The invention discloses an oxygen concentration control method and system for an engine, and belongs to the technical field of engine power systems.The method comprises the steps that the current intake oxygen concentration, the current operation rotating speed and the current intake manifold pressure of the engine are collected; generating a target parameter correction instruction based on the current intake oxygen concentration, the current operation rotating speed, the current intake manifold pressure and a pre-constructed pulse spectrogram; and based on the target parameter correction instruction and a preset operation rotating speed fluctuation range threshold value, the engine is controlled to operate stably. According to the scheme, the intake oxygen concentration, the operation rotating speed and the intake manifold pressure of the engine are combined with the pulse spectrogram calibrated under the target oxygen concentration and the target air-fuel ratio, dynamic regulation and control of the operation parameters of the engine and closed-loop correction of the combustion state are achieved, the intake oxygen concentration and the air-fuel ratio of the engine can be accurately and stably controlled, and the engine efficiency is improved. And it is guaranteed that efficient and stable combustion of fuel oil of the engine can be achieved under different working conditions.

The invention relates to a housing part (18) for a control unit housing. The housing part (18), made of a metal alloy, has a plurality of cooling fins (20) projecting from a base region (23) of the housing part (18). A space is formed between adjacent cooling fins (20) into which a cooling airflow can be introduced. At least one of the cooling fins (20) has at least one contact point to which an ejector element can be attached to at least assist in releasing the housing part (18) from a molded part of a casting tool. The at least one contact point is designed as a flat portion (38) of a vertex (40) of the cooling fin (20). A width (44) of the flat sub-area (38) is essentially equal to a thickness of the cooling fin (20) which the cooling fin (20) has at least in an end region of the cooling fin (20) near the apex (40).Furthermore, the invention relates to a housing for a control unit, a control unit and a method for manufacturing the housing part (18).

The present invention provides an engine control method and system for improving the thermal comfort of a V-cylinder motorcycle, including: when it is determined that the vehicle meets the conditions for the whole vehicle to reach a hot idle condition, the controller directly cuts off the engine's rear cylinder oil injection, and directly adjusts the idle stepper motor air intake of the rear cylinder to the maximum value, and at the same time increases the preset OFFSET of the engine's front cylinder to maintain the engine speed unchanged; so as to achieve the riding thermal comfort of the whole vehicle under the idle control of the motorcycle. The present invention directly cuts off the engine's rear cylinder oil injection through the controller, so that the rear cylinder does not ignite and cannot generate a heat source, and directly adjusts the idle stepper motor air intake of the rear cylinder to the maximum value, so that fresh air enters the rear cylinder, the cold fluid circulating in the cylinder increases, and the rear cylinder muffler is directly cooled as a cold fluid, ensuring that the cooling performance of the rear cylinder is improved, thereby solving the riding thermal comfort problem of V-cylinder or multi-cylinder motorcycles.

The utility model relates to the technical field of vehicles, and discloses a cooling system and a vehicle, and the cooling system is used for cooling a control module; comprising a protection box in which a protection chamber and a cooling chamber are formed; the control module is arranged in the protection chamber; the protection box comprises a first plate body, and the first plate body is arranged between the protection cavity and the cooling cavity; the protection box further comprises an air inlet and an air outlet, and the air inlet and the air outlet are communicated with the cooling cavity. One end of the cooling pipeline communicates with the air outlet, and the other end of the cooling pipeline communicates with an air inlet pipeline of the engine. According to the cooling system provided by the utility model, the protection box is arranged, and the protection chamber and the cooling chamber are formed in the protection box; the control module is arranged in the protection cavity, the cooling pipeline is communicated with the air inlet pipeline of the engine, the control module can be cooled, meanwhile, the safety protection effect on the control module can be achieved, and silt or dust or water in the environment is prevented from entering the control module.

In order to solve the problem that the existing engines are large in size, resulting in poor portability and being unsuitable for use in agricultural and forestry machinery, the present invention provides a small engine for agricultural and forestry machinery, comprising a piston cylinder body, an air intake seat, a carburetor and a starter; wherein the starter is drivingly connected to the piston cylinder body, the air intake seat is connected to the carburetor, and the carburetor is connected to the air inlet on the piston cylinder body; the piston cylinder body comprises a crankshaft transmission structure, a left cylinder body, a right cylinder body, a sealing gasket, a combustion chamber and an ignition structure; wherein the left cylinder body and the right cylinder body are fixedly connected; a crankshaft transmission structure is arranged between the left cylinder body and the right cylinder body; a transmission rod in the crankshaft transmission structure extends into the combustion chamber and is connected to a piston arranged in the combustion chamber; an ignition structure and a through hole connected to the carburetor are arranged above the combustion chamber; the small engine also comprises a centrifugal intake structure; the overall structure of the engine is compact and the volume is small.